GitHub - aloksingh/distributed-lock-manager: A lock manager built on top of Cassandra

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Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
.idea		.idea
lib		lib
resources		resources
src/com/alok/lock		src/com/alok/lock
test/com/alok/lock		test/com/alok/lock
README		README
build.xml		build.xml
distributed-lock-manager.iml		distributed-lock-manager.iml

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Inspired by : http://wiki.apache.org/cassandra/Locking
Baker's Algorithm: http://en.wikipedia.org/wiki/Lamport%27s_bakery_algorithm



Performance Test: June 24, 2011
3-Node Cassandra cluster: (Rackspace/8GB nodes)
3-Load test nodes: 1 Lock creation/2 Lock acquisition (Rackspace/2GB Nodes)


Single Node throughput: 81858 Locks/600sec, 81322 Locks/600sec
Aggregate throughput: 271 locks acquired/sec